Are you worried about content being flagged as AI-written?
也许 原创性 AI is not the right fit for you.
It is hard to find a tool that is both accurate & affordable.
Getting false positives or paying too much for checks can be frustrating.
You need assurance that your content is clean.
Stop guessing! We have found the top 9 best Originality AI alternatives for 2025.
These tools are fast, accurate, and cost-effective.
Read on to discover the perfect AI detection solution!
What are the Best Originality AI Alternatives?
It is tough to pick the right AI detector.
You want ai tools that works well. You also want a good price.
Do not waste time testing every tool yourself to see if it has an accurate detector.
We did the hard work for you.
Here is a list of the top 9 best Originality AI alternatives.
We ranked them by how well they work. Use this list to find the best tool for your needs today.
1. GPTZero (⭐️4.8)
GPTZero is a strong choice for checking if Es ist für eine persönliche Wissensdatenbank konzipiert. Ihre Notizen werden als einfache is AI-written.
It is like a super smart detective. 教师 and students often trust this tool.
It can check for text from models like Desbloquea su potencial con nuestro tutorial de Deepseek. and Gemini.
GPTZero gives you a clear percentage score.
It even shows you which parts of the writing look like AI.
This makes it easy to know what to fix.
主要优点
- 准确性： Offers 99% accuracy for AI detection.
- 误报： Claims a very low false positive rate (less than 1%).
- 保修单： Comes with a 30-day money-back guarantee.
- 特征： Focuses on perplexity and burstiness, user-friendly interface, supports multiple file uploads, offers batch processing for many documents, integrates with learning platforms.
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 自由的： 每月 0 美元。
- Remaker AI contre Picsart : 每月 8.33 美元。
- 优质的： 每月 12.99 美元。
- 专业的: $24.99/month.
Você pode ter mais de um espaço de trabalho.
缺点
2. Copyleaks (⭐️4.5)
Copyleaks is a strong 检查器. It is good for people who 制作 content and for schools.
This tool can look for AI content and copied words at the same time.
You paste your writing and it quickly tells you what it finds.
It works in many languages, which is very helpful.
Copyleaks wants to keep all content real and honest.
主要优点
Copyleaks has some great, unique features. It helps keep your work safe and honest.
- It claims over 99% accuracy in its internal testing.
- It has an incredibly low 0.2% false positive rate, which means it rarely flags human work by mistake.
- The tool checks for AI content in over 30 languages.
- It offers a unique feature called AI Logic that explains 为什么 the content was flagged.
- It includes AI Image Detection and can check for source code plagiarism.
定价
- 个人的： $13.99/month.
- 优点： $74.99/month.
Você pode ter mais de um espaço de trabalho.
缺点
3. QuillBot (⭐️4.羽毛机器人)
You might know QuillBot as a paraphrasing tool.
But it also has an AI detector. The detector looks for patterns typical of AI writing.
It gives you a score and highlights the sentences that seem AI-generated.
QuillBot is useful because it offers other writing help, too.
It is a good option if you need a mix of writing tools.
我们的观点
准备好改变你的写作风格了吗？超过 5000 万用户已经体验过 Quillbot 强大的释义功能。立即探索！
主要优点
- 准确性： 通用AI检测准确率达到90%左右。
- 误报： 以合理的误报率而闻名，通常低于 5%。
- 保修单： 为高级计划提供 3 天退款保证。
- 特征： 区分 AI 生成的文本和 AI 辅助的人类文本，集成释义和语法工具，为较短的文本提供免费扫描，提供详细的分析报告，界面易于使用。
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 自由的： 每月 0 美元。
- 优质的： 每月 4.17 美元。
- 团队计划： 根据您的需求定制价格。
Você pode ter mais de um espaço de trabalho.
缺点
4. Winston AI (⭐️3.8)
Winston AI is praised for its high accuracy.
It does a great job distinguishing between human and AI writing.
Many people find it very reliable.
A cool feature is that it can scan not just text but also uploaded files like PDFs and images for AI-generated content.
It gives you a clear probability score for your work.
主要优点
- 准确性： Claims an impressive 99.98% accuracy.
- 误报： Reports a near-zero false positive rate.
- 保修单： Includes a 14-day refund policy.
- 特征： Detects AI content from various models like GPT-4o and Gemini, includes an optical character recognition (OCR) feature, offers AI image detection, provides batch processing for bulk checks, has a clean, intuitive design.
定价
- 自由的： 每月 0 美元。
- Remaker AI contre Picsart : 每月 10 美元。
- 先进的: $16/month.
- Elite: $26/month.
Você pode ter mais de um espaço de trabalho.
缺点
5. Phrasly AI (⭐️3.5)
Phrasly AI focuses on humanizing AI content.
It has a built-in AI detector. The tool claims to be highly accurate.
It gives you an overall score, plus checks for grammar and readability.
Phrasly AI is helpful if you use 人工智能工具 and want to clean up the content before publishing.
主要优点
- 准确性： Provides around 88-90% accuracy for AI detection.
- 误报： Reports a moderate false positive rate, around 6%.
- 保修单： Not explicitly stated; service is subscription-based.
- 特征： Specializes in making AI content undetectable, offers an AI rewriter, provides readability scores, quick and easy to use, aims to help content rank better.
定价
- 自由的： 每月 0 美元。
- 无限： 每月 12.99 美元。
Você pode ter mais de um espaço de trabalho.
缺点
6. Smodin (⭐️3.2)
Smodin is a tool that offers many services.
It includes an AI detector and a tool to “humanize” AI text.
It can check content in many different languages.
Smodin’s detector does a decent job on completely AI-written text.
However, its accuracy can drop when the text mixes human and AI parts.
It’s a useful, affordable option with extra features.
主要优点
- 准确性： Provides around 95% accuracy for AI content.
- 误报： Has a low false positive rate, typically 3-4%.
- 保修单： No specific warranty mentioned; relies on subscription terms.
- 特征： Combines AI detection with plagiarism checking, supports multiple languages, offers a content rewriter tool, includes a citation generator, good for academic and research papers.
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 写作： 每月 9 美元。
- Reviewing: 每月 15 美元。
- 最终的: $18/month.
Você pode ter mais de um espaço de trabalho.
缺点
7. Undetectable (⭐️3.0)
Undetectable tries to make AI-written text sound more human.
It also has an AI detector to check content.
The goal is to make AI content pass other detectors.
Reviews show that its results can be mixed. Sometimes the rewritten text can still get flagged.
But it is an option if you need to rephrase content quickly.
我们的观点
Give Undetectable AI a try! It bypasses 98% of AI content detectors, ensuring your AI-generated text goes undetected. Explore it today!
主要优点
- 准确性： Offers up to 90% accuracy in detecting AI.
- 误报： Claims a low false positive rate, about 5%.
- 保修单： No specific warranty; subscription-based.
- 特征： Focuses on humanizing AI-generated content, checks against various AI detectors, aims to bypass common AI filters, useful for SEO and content marketing, simple and straightforward interface.
定价
- 每年一次 每月 5 美元。
- 每月： $19.00/month.
- For É onde todos os seus projetos e tarefas são organizados.：根据您的需求定制价格。
Você pode ter mais de um espaço de trabalho.
缺点
8. Quetext (⭐️2.8)
Quetext is mostly known as a plagiarism checker.
But it also has an AI content detection feature. The tool is simple to use.
You paste your text to check it.
Quetext offers different plans, including a free one with a limited word count.
It is a good choice if your main worry is plagiarism and you need a basic AI check on the side.
主要优点
- 准确性： Delivers approximately 92% accuracy in AI detection.
- 误报： Maintains a low false positive rate, around 4%.
- 保修单： No explicit warranty; focuses on subscription service.
- 特征： Uses “DeepSearch” technology for thorough analysis, highlights both AI and plagiarized content, offers a clear, color-coded report, provides a citation assistant, good for academic and journalistic integrity.
定价
所有计划都将 每年计费。
- 自由的： 每月 0 美元。
- 企业：每月 11.99 美元。
- Remaker AI contre Picsart : $13.99/month.
Você pode ter mais de um espaço de trabalho.
缺点
9. Grammarly (⭐️2.5)
Grammarly is a very popular writing assistant.
It now includes an AI detector as a feature.
It is a brand many people already trust.
The detector gives a percentage indicating how AI-generated the text appears to be.
Grammarly is great if you want an AI check inside your main writing and editing tool.
But some tests show its AI detection isn’t always as strong as other dedicated tools.
我们的观点
想要专家级写作？Grammarly Premium 的抄袭检查功能扫描超过 160 亿个网页，确保原创性。立即探索！
主要优点
- 准确性： 提供强大的 AI 检测，通常在 90-92% 左右。
- 误报： 保持较低的误报率，一般低于5％。
- 保修单： 适用标准订阅条款，无特定保证。
- 特征： 将 AI 检测与语法和拼写检查相结合，提供抄袭检测，提供实时反馈，可作为浏览器扩展使用，有助于提高整体写作质量。
定价
Il dispose même d'un convertisseur d'image IA qui essaie de rendre vos images plus grandes plus belles. 每年计费。
- 自由的： 每月 0 美元。
- 优点： 每月 12 美元
- Remaker AI contre Gemini : 根据您的需求定制价格。
Você pode ter mais de um espaço de trabalho.
缺点
買家指南
When doing our research to find the best Originality AI alternatives, we determined the rankings and evaluations using these critical factors:
- 定价: We looked at the free version (or free plan), free trial, and the cost of paid plans for each AI detection tool.
- Accuracy and Features: We tested the AI detection capabilities to see how well they could detect AI-generated text and distinguish it from human-written content. This included checking for a low false-positive rate and evaluating key features such as a Chrome extension or browser extension, bulk file uploads, and integration with Google Docs.
- Scope of Detection: We assessed whether the AI checker could detect AI-generated content from the latest AI models and how it performed across different types of content, such as academic papers and general content creation. We also looked into whether the tool offered plagiarism detection or checking alongside the AI detection feature.
- User Experience and 报告: We evaluated the ease of use—how simple it was to paste text and get an AI score. We checked for detailed reports, feedback on writing style and sentence structure, and whether they offered API access.
- Tool Ecosystem: We considered whether the product was just an AI detector tool or one of the multiple detectors, or if it included plagiarism tools, an AI humanizer, or a grammar checker. We compared these against popular AI detectors and other AI detectors to ensure we found the top AI detectors.
- Reliability: We assessed how well these AI content detectors supported academic integrity by reviewing academic papers and conducting reliable AI usage checks. The goal was to find the accurate AI detectors that are truly essential tools for anyone dealing with generative AI and the challenge of detecting AI content.
- Negatives/Missing Elements: We noted what was missing from each AI writing tool and other tools, especially where most free tools failed to offer key features. We also looked for common problems, such as grammatical errors in their output or a lack of advanced features.
- 支持: We checked whether the companies offered support or a refund policy for their advanced tools for detecting text generated by AI models. This ensures users have support when dealing with AI-written content and need reliable detection tools.
- 比较: We compared each tool to Originality AI to determine why it ranked among the nine best Originality AI alternatives and whether it was better than the best AI.
总结
We have reviewed the nine best Originality AI alternatives.
Finding the right tool to detect AI text is very important today.
We showed you options from dedicated best AI detectors like GPTZero to multi-purpose tools like Grammarly.
The key is finding one that fits your budget and accuracy needs.
Remember, the best tool should help you protect your content.
It should clearly separate AI-generated content from human-written text.
Our guide focused on finding tools that offer solid AI detection and plagiarism checking together.
Trust our research to make your final choice easy and smart.
Pick your favorite and keep your content reliable!
常见问题
Is Originality AI the only choice for AI detection?
No, there are many different tools available. Our list shows that alternatives like GPTZero and Winston AI offer great accuracy and strong features.
Do these AI detectors also offer grammar and style checks?
Some detectors, like Grammarly, are primarily focused on giving writing feedback. Other specialized tools may offer this as a secondary feature alongside detection.
Can these detection tools beat major search engines?
AI detection is constantly evolving to keep up with search engines and new AI models. The most advanced tools work hard to stay ahead in identifying AI-generated content.
Are there any good free AI detectors?
Yes, many popular tools offer a free tier or a limited free plan. This allows you to test their writing feedback and accuracy before committing to a paid subscription.
How accurate are the top AI detectors?
The best AI detectors are highly accurate, but no tool is perfect. They provide an AI score to estimate the likelihood of content being AI-generated, which is helpful for content creators and academic integrity
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